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| other:python:starting [2017/03/10 18:03] – jypeter | other:python:starting [2019/04/24 17:12] – [Where to start] Updated jypeter |
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| In order to start working with Python, you need to have a //Python distribution// installed on your local computer or on the remote Linux server(s) you work on. A //distribution// provides a //Python interpreter//, and Python extensions (aka Python //modules// or //packages//). You may have several distributions installed on your computer and you need to know how to initialize them, and which one you are using at a given time (type ''which python'' on Linux to determine where the python executable is located) | In order to start working with Python, you need to have a //Python distribution// installed on your local computer or on the remote Linux server(s) you work on. A //distribution// provides a //Python interpreter//, and Python extensions (aka Python //modules// or //packages//). You may have several distributions installed on your computer and you need to know how to initialize them, and which one you are using at a given time (type ''which python'' on Linux to determine where the python executable is located) |
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| If you are using a Linux computer or a Mac, you should already have a **default python** installed. The following example shows where the python interpreter is installed on the //asterix// LSCE server (if it's in ''/usr/bin'', it's the default python) and which version it is (example below: version //2.6.6// compiled in May 2015) | If you are using a Linux computer or a Mac, you should already have a **default python** installed. The following example shows where the python interpreter is installed on the //obelix// LSCE servers (if it's in ''/usr/bin'', it's the default python) and which version it is (example below: version //2.7.5// compiled in April 2019) |
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| <code># Which is the current python (e.g. where is it located)? | <code># Which is the current python (e.g. where is it located)? |
| # Where is it coming from ('rpm' works on a RedHat-like Linux machine)? | # Where is it coming from ('rpm' works on a RedHat-like Linux machine)? |
| > rpm -qf /usr/bin/python | > rpm -qf /usr/bin/python |
| python-2.6.6-64.el6.x86_64 | python-2.7.5-77.el7_6.x86_64 |
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| # You also get some information when you start the interpreter | # You also get some information when you start the interpreter |
| > python | > python |
| Python 2.6.6 (r266:84292, May 22 2015, 08:34:51) | Python 2.7.5 (default, Apr 9 2019, 14:30:50) |
| [GCC 4.4.7 20120313 (Red Hat 4.4.7-15)] on linux2 | [GCC 4.8.5 20150623 (Red Hat 4.8.5-36)] on linux2 |
| Type "help", "copyright", "credits" or "license" for more information. | Type "help", "copyright", "credits" or "license" for more information. |
| >>> | >>> |
| ^ UV-CDAT version ^ Server ^ Environment name\\ and activation line ^ Packages\\ (''conda list'') ^ | ^ UV-CDAT version ^ Server ^ Environment name\\ and activation line ^ Packages\\ (''conda list'') ^ |
| | [[:other:uvcdat:cdat_conda:cdat_2_8_0|2.8.0]] | **LSCE**\\ **ciclad** |**cdatm14** (''source activate cdatm14'') | {{ :other:uvcdat:cdat_conda:conda_list_lsce_cdatm14_170310.txt |cdatm14 installed packages}} | | | [[:other:uvcdat:cdat_conda:cdat_2_8_0|2.8.0]] | **LSCE**\\ **ciclad** |**cdatm14** (''source activate cdatm14'') | {{ :other:uvcdat:cdat_conda:conda_list_lsce_cdatm14_170310.txt |cdatm14 installed packages}} | |
| | | [[:other:uvcdat:cdat_conda:cdat_2_10|2.10]] | **LSCE** |**cdatm15** (''source activate cdatm15'') | {{ :other:uvcdat:cdat_conda:uvcdat-2.10_list_170721.txt |cdatm14 installed packages}} | |
| | | **cdatm** will always point to the latest stable version |||| |
| | | //latest stable version// | **LSCE** |**cdatm** (''source activate cdatm'') | ''conda list'' | |
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| === Older versions of UV-CDAT === | === Older versions of UV-CDAT === |
